A fundamental particle is identified as having a charge of +13e\displaystyle +\frac{1}{3}e+31e, a baryon number of −13\displaystyle -\frac{1}{3}−31, and a strangeness of +1.
Which of the following is the correct identity of this particle?
Strange quark
Anti-down quark
Anti-strange quark
Down quark
90 exam-style questions on OCR A A Level Physics Nuclear and particle physics, covering The nuclear atom, Fundamental particles, Radioactivity, and Nuclear fission and fusion. Each one has a worked solution and a mark scheme showing where the marks go.